Tripura TET Math Science 2018 Solved Paper

© examsiri.com

Question : 143 of 150

Marks: +1, -0

Which statement is not true?

In presences of oxygen, heating zinc oxide when yellow color is found, it is a physical change
Swallowing a small glass ball is a chemical change
Digesting pure sugar crystal is a chemical change
In presence of air, heating mercury when red color is found, it is a chemical change

Go to Question:

Prev Question

Next Question